Which two statements are true about the RMAN VALIDATE DATABASEcommand? (Choose two.)

• A.It checks the database for intrablock corruptions.
• B.It can detect corrupt pfiles.
• C.It can detect corrupt spfiles.
• D.It checks the database for interblock corruptions.
• E.It can detect corrupt block change tracking files.

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You administer an online transaction processing (OLTP) system whose database is stored in Automatic Storage Management (ASM) and whose disk group use normal redundancy.
One of the ASM disks goes offline, and is then dropped because it was not brought online before DISK_REPAIR_TIME elapsed.
When the disk is replaced and added back to the disk group, the ensuing rebalance operation is too slow.
Which two recommendations should you make to speed up the rebalance operation if this type of failure happens again?

• A.Increase the value of the ASM_POWER_LIMIT parameter.
• B.Set the DISK_REPAIR_TIME disk attribute to a lower value.
• C.Specify the statement that adds the disk back to the disk group.
• D.Increase the number of ASMB processes.
• E.Increase the number of DBWR_IO_SLAVES in the ASM instance.

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Which statement is true about Enterprise Manager (EM) express in Oracle Database 12c?

• A.By default, EM express is available for a database after database creation.
• B.You can use EM express to manage multiple databases running on the same server.
• C.You can perform basic administrative tasks for pluggable databases by using the EM express interface.
• D.You cannot start up or shut down a database Instance by using EM express.
• E.You can create and configure pluggable databases by using EM express.

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You plan to use the In-Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.
Which three storage options support the use of HCC? (Choose three.)

• A.ASM disk groups with ASM disks consisting of Exadata Grid Disks.
• B.ASM disk groups with ASM disks consisting of LUNs on any Storage Area Network array
• C.ASM disk groups with ASM disks consisting of any zero-padded NFS-mounted files
• D.Database files stored in ZFS and accessed using conventional NFS mounts.
• E.Database files stored in ZFS and accessed using the Oracle Direct NFS feature
• F.Database files stored in any file system and accessed using the Oracle Direct NFS feature
• G.ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays

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Which two statements are true about Enterprise Manager (EM) express in Oracle Database 12c? (Choose two.)

• A.By default, EM express is available for a database after database creation.
• B.Multiple databases on the same node (or host) may each be individually managed by using EM Express.
• C.You can perform basic administrative tasks for pluggable databases by using the EM express interface.
• D.You cannot start up or shut down a database instance by using EM express.
• E.You can create and configure pluggable databases by using EM express.

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